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Mercury calibration report, DEP Box 66, Nov 2001-Jan 2002

Machine-extracted title · confidence 95%

Laboratory calibration data and coefficients for mercury analysis conducted between November 2001 and January 2002.

NYC-WTC_000084277–000084281

Folder label: “Hg MANY 11/27/01 - 1/30/02

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Scanned page image, NYC-WTC_000084278
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NYC 9/11 Public Portal Document

Westchester county labs Folder: RUNSl Page 204 Protocol; hg-cv ***POST-RUN REPORT*** Line Cone. Units SD/RSD 1 2 3 4 5

*** Standard: 1 Rep: 1 Seq: 1457 14:05:12 24 Dec 01 HG

Hg .000 ppb 3599

*** Standard: 2 Rep: 1 Seq: 1458 14:07:20 24 Dec 01 HG

Hg .400 ppb 43065

*** Standard: 3 Rep: 1 Seq: 1459 14:09:09 24 Dec 01 HG

Hg 1.00 ppb 84114

*** Standard: 4 Rep: 1 Seq: 1460 14:11:51 24 Dec 01 HG

Hg 3.00 ppb 234548

*** Standard: 5 Rep; 1 Seq: 1461 14:13:28 24 Dec 01 HG

Hg 5.00 ppb 397958

*** Standard: 6 Rep: 1 Seq: 1462 14:15:19 24 Dec 01 HG

Hg 10.0 ppb 754238

*** Check Standard: 2 Ck21.0 qc Seq: 1463 14:17:29 24 Dec 01 HG Line Flag %Rcv. /i’ound True Units SD/RSD Hg 98.7 .987 1.00 ppb .000

*** Sample ID: 30487 pot Seq: 1464 14:19:07 24 Dec 01 HG

Hg -.078 ppb .000 -.078 *** Check Standard:/2 Ck21.0 qc Seq: 1474 14:36:58 24 Dec 01 HG Line; Flag %Rcv. / Found True Units SD/RSD Hg 103. 1.03 1.00 ppb .000

*** Sample ID: 30902 pot Seq: 1477 14:41:49 24 Dec 01 HG

Hg -.103 ppb .000 -.103

*** Sample ID: 30903 Seq: 1478 14:44:05 24 Dec 01 HG

Hg -.035 ppb .000 -.035

*** Sample ID: 30904 Seq: 1479 14:45:45 24 Dec 01 HG

' Hg -.035 ppb .000 -.035

*** Sample ID: 30905 Seq: 1480 14:47:25 24 Dec 01 HG

Hg -.044 ppb .000 -.044

*** Sample ID: 30906 Seq: 1481 14:49:12 24 Dec 01 HG

Hg -.063 ppb .000 -.063

NYC-WTC_000084278

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NYC-WTC_000084278Source: NYC Law Department, mirrored locally

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Department of Environmental Protection mercury monitoring records for the World Trade Center site spanning November 2001 to January 2002.

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